Perhaps you should try some spelling variations:
"public administration" » "publica administration" (Expand Search), "publico administration" (Expand Search), "publicas administration" (Expand Search), "public administracao" (Expand Search)
"publicoooss administration" » "publicaoooss administration" (Expand Search), "publicooooss administration" (Expand Search), "publicasoooss administration" (Expand Search), "publicoooss administracao" (Expand Search)
"publicasoa administration" » "publicaasoa administration" (Expand Search), "publicoasoa administration" (Expand Search), "publicasasoa administration" (Expand Search), "publicasoa administracao" (Expand Search), "publicas administration" (Expand Search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("public administration") OR ("publicoooss administration"))) OR ("publicasoa administration"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"public administration\") OR (\"publicoooss administration\"))) OR (\"publicasoa administration\"))".
• Removing quotes may allow a broader search: (((( public administration ) OR ( publicoooss administration ))) OR ( publicasoa administration )).
• Adding a wildcard symbol may retrieve word variants: (((("public administration") OR ("publicoooss administration"))) OR ("publicasoa administration"))*.